Design The MEDIACONNEX study is a simple blind, parallel group multisite randomized controlled trial which compares a program based on SMS (or mail or other new media) in addition to usual care (group MEDIA) to "only usual care" (group CLASSIC) provided to adolescents who attempted suicide and who were treated in-child and adolescent psychiatry unit at hospitals in the East of France. The comparison is based on rate of the recurrence suicide attempt between the two groups.